PIRA Classification: 3D30.50
Description: A 6 ft. aluminum pipe has a series of small holes drilled along its length. A speaker is mounted at one end while a gas inlet is at the other. The pipe is filled with propane gas and the holes are lit. When the correct frequency is played through the speaker, a stading wave pattern is made visible with the flames.
Special Instructions: This demo will be operated by Brian. Please arrange this ahead of time.
Condition: Ok
Setup time: 5 minutes